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authorDenys Vlasenko <vda.linux@googlemail.com>2013-11-29 15:43:33 (GMT)
committer Denys Vlasenko <vda.linux@googlemail.com>2013-11-29 15:43:33 (GMT)
commit9b2a9f0210f13f1c59c0b954c4aa0eeb0a66efd1 (patch)
treea950fa73740d345e11ba1ce90f4fc39ee12516e6
parent1a7256ac38284caffd2a0de2250364369059be69 (diff)
downloadbusybox-9b2a9f0210f13f1c59c0b954c4aa0eeb0a66efd1.tar.gz
busybox-9b2a9f0210f13f1c59c0b954c4aa0eeb0a66efd1.tar.bz2
fix assorted unused code and wrong format specs found by cppchekc (bug 6716)
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--archival/libarchive/bz/compress.c4
-rw-r--r--archival/libarchive/decompress_bunzip2.c1
-rw-r--r--archival/libarchive/decompress_gunzip.c2
-rw-r--r--archival/libarchive/lzo1x_9x.c1
-rw-r--r--e2fsprogs/old_e2fsprogs/blkid/blkidP.h4
-rw-r--r--e2fsprogs/old_e2fsprogs/blkid/cache.c2
-rw-r--r--e2fsprogs/old_e2fsprogs/blkid/dev.c4
-rw-r--r--e2fsprogs/old_e2fsprogs/blkid/read.c2
-rw-r--r--e2fsprogs/old_e2fsprogs/blkid/tag.c6
-rw-r--r--e2fsprogs/old_e2fsprogs/e2fsck.c10
-rw-r--r--e2fsprogs/old_e2fsprogs/ext2fs/initialize.c2
-rw-r--r--e2fsprogs/old_e2fsprogs/ext2fs/unix_io.c4
-rw-r--r--e2fsprogs/old_e2fsprogs/fsck.c1
-rw-r--r--e2fsprogs/old_e2fsprogs/mke2fs.c6
-rw-r--r--e2fsprogs/old_e2fsprogs/util.c2
-rw-r--r--libbb/pw_encrypt_md5.c2
-rw-r--r--miscutils/chat.c2
-rw-r--r--networking/tc.c3
-rw-r--r--networking/traceroute.c4
-rw-r--r--util-linux/volume_id/unused_msdos.c2
20 files changed, 25 insertions, 39 deletions
diff --git a/archival/libarchive/bz/compress.c b/archival/libarchive/bz/compress.c
index a7dd72d..23de9d3 100644
--- a/archival/libarchive/bz/compress.c
+++ b/archival/libarchive/bz/compress.c
@@ -249,7 +249,7 @@ void generateMTFValues(EState* s)
static NOINLINE
void sendMTFValues(EState* s)
{
- int32_t v, t, i, j, gs, ge, totc, bt, bc, iter;
+ int32_t v, t, i, j, gs, ge, bt, bc, iter;
int32_t nSelectors, alphaSize, minLen, maxLen, selCtr;
int32_t nGroups;
@@ -345,7 +345,6 @@ void sendMTFValues(EState* s)
}
#endif
nSelectors = 0;
- totc = 0;
gs = 0;
while (1) {
/*--- Set group start & end marks. --*/
@@ -411,7 +410,6 @@ void sendMTFValues(EState* s)
bt = t;
}
}
- totc += bc;
fave[bt]++;
s->selector[nSelectors] = bt;
nSelectors++;
diff --git a/archival/libarchive/decompress_bunzip2.c b/archival/libarchive/decompress_bunzip2.c
index fb1f292..6396fe4 100644
--- a/archival/libarchive/decompress_bunzip2.c
+++ b/archival/libarchive/decompress_bunzip2.c
@@ -818,7 +818,6 @@ static char *const bunzip_errors[] = {
/* Dumb little test thing, decompress stdin to stdout */
int main(int argc, char **argv)
{
- int i;
char c;
int i = unpack_bz2_stream(0, 1);
diff --git a/archival/libarchive/decompress_gunzip.c b/archival/libarchive/decompress_gunzip.c
index 4e6b138..7c6f38e 100644
--- a/archival/libarchive/decompress_gunzip.c
+++ b/archival/libarchive/decompress_gunzip.c
@@ -336,7 +336,7 @@ static int huft_build(const unsigned *b, const unsigned n,
}
/* Find minimum and maximum length, bound *m by those */
- for (j = 1; (c[j] == 0) && (j <= BMAX); j++)
+ for (j = 1; (j <= BMAX) && (c[j] == 0); j++)
continue;
k = j; /* minimum code length */
for (i = BMAX; (c[i] == 0) && i; i--)
diff --git a/archival/libarchive/lzo1x_9x.c b/archival/libarchive/lzo1x_9x.c
index 3e33198..2b490ae 100644
--- a/archival/libarchive/lzo1x_9x.c
+++ b/archival/libarchive/lzo1x_9x.c
@@ -466,7 +466,6 @@ static int find_match(lzo1x_999_t *c, lzo_swd_p s,
}
s->m_len = 1;
- s->m_len = 1;
#ifdef SWD_BEST_OFF
if (s->use_best_off)
memset(s->best_pos, 0, sizeof(s->best_pos));
diff --git a/e2fsprogs/old_e2fsprogs/blkid/blkidP.h b/e2fsprogs/old_e2fsprogs/blkid/blkidP.h
index d6b2b42..bbadc8e 100644
--- a/e2fsprogs/old_e2fsprogs/blkid/blkidP.h
+++ b/e2fsprogs/old_e2fsprogs/blkid/blkidP.h
@@ -179,8 +179,4 @@ extern int blkid_set_tag(blkid_dev dev, const char *name,
extern blkid_dev blkid_new_dev(void);
extern void blkid_free_dev(blkid_dev dev);
-#ifdef __cplusplus
-}
-#endif
-
#endif
diff --git a/e2fsprogs/old_e2fsprogs/blkid/cache.c b/e2fsprogs/old_e2fsprogs/blkid/cache.c
index d1d2914..251e499 100644
--- a/e2fsprogs/old_e2fsprogs/blkid/cache.c
+++ b/e2fsprogs/old_e2fsprogs/blkid/cache.c
@@ -115,7 +115,7 @@ int main(int argc, char** argv)
argv[0], ret);
exit(1);
}
- if ((ret = blkid_probe_all(cache) < 0))
+ if ((ret = blkid_probe_all(cache)) < 0)
fprintf(stderr, "error probing devices\n");
blkid_put_cache(cache);
diff --git a/e2fsprogs/old_e2fsprogs/blkid/dev.c b/e2fsprogs/old_e2fsprogs/blkid/dev.c
index bb0cc91..260e49c 100644
--- a/e2fsprogs/old_e2fsprogs/blkid/dev.c
+++ b/e2fsprogs/old_e2fsprogs/blkid/dev.c
@@ -153,7 +153,7 @@ extern int optind;
void usage(char *prog)
{
fprintf(stderr, "Usage: %s [-f blkid_file] [-m debug_mask]\n", prog);
- fprintf(stderr, "\tList all devices and exit\n", prog);
+ fprintf(stderr, "\tList all devices and exit\n");
exit(1);
}
@@ -176,7 +176,7 @@ int main(int argc, char **argv)
case 'm':
blkid_debug_mask = strtoul (optarg, &tmp, 0);
if (*tmp) {
- fprintf(stderr, "Invalid debug mask: %d\n",
+ fprintf(stderr, "Invalid debug mask: %s\n",
optarg);
exit(1);
}
diff --git a/e2fsprogs/old_e2fsprogs/blkid/read.c b/e2fsprogs/old_e2fsprogs/blkid/read.c
index f795a5d..feeda51 100644
--- a/e2fsprogs/old_e2fsprogs/blkid/read.c
+++ b/e2fsprogs/old_e2fsprogs/blkid/read.c
@@ -385,7 +385,7 @@ void blkid_read_cache(blkid_cache cache)
continue;
end = strlen(buf) - 1;
/* Continue reading next line if it ends with a backslash */
- while (buf[end] == '\\' && end < sizeof(buf) - 2 &&
+ while (end < sizeof(buf) - 2 && buf[end] == '\\' &&
fgets(buf + end, sizeof(buf) - end, file)) {
end = strlen(buf) - 1;
lineno++;
diff --git a/e2fsprogs/old_e2fsprogs/blkid/tag.c b/e2fsprogs/old_e2fsprogs/blkid/tag.c
index 8337b46..7424ede 100644
--- a/e2fsprogs/old_e2fsprogs/blkid/tag.c
+++ b/e2fsprogs/old_e2fsprogs/blkid/tag.c
@@ -356,7 +356,7 @@ void usage(char *prog)
fprintf(stderr, "Usage: %s [-f blkid_file] [-m debug_mask] device "
"[type value]\n",
prog);
- fprintf(stderr, "\tList all tags for a device and exit\n", prog);
+ fprintf(stderr, "\tList all tags for a device and exit\n");
exit(1);
}
@@ -382,7 +382,7 @@ int main(int argc, char **argv)
case 'm':
blkid_debug_mask = strtoul (optarg, &tmp, 0);
if (*tmp) {
- fprintf(stderr, "Invalid debug mask: %d\n",
+ fprintf(stderr, "Invalid debug mask: %s\n",
optarg);
exit(1);
}
@@ -407,7 +407,7 @@ int main(int argc, char **argv)
dev = blkid_get_dev(cache, devname, flags);
if (!dev) {
- fprintf(stderr, "%s: cannot find device in blkid cache\n");
+ fprintf(stderr, "%s: cannot find device in blkid cache\n", devname);
exit(1);
}
if (search_type) {
diff --git a/e2fsprogs/old_e2fsprogs/e2fsck.c b/e2fsprogs/old_e2fsprogs/e2fsck.c
index 373e8ce..8400a92 100644
--- a/e2fsprogs/old_e2fsprogs/e2fsck.c
+++ b/e2fsprogs/old_e2fsprogs/e2fsck.c
@@ -1050,7 +1050,7 @@ static errcode_t ea_refcount_create(int size, ext2_refcount_t *ret)
refcount->size = size;
bytes = (size_t) (size * sizeof(struct ea_refcount_el));
#ifdef DEBUG
- printf("Refcount allocated %d entries, %d bytes.\n",
+ printf("Refcount allocated %d entries, %lu bytes.\n",
refcount->size, bytes);
#endif
retval = ext2fs_get_mem(bytes, &refcount->list);
@@ -3424,7 +3424,7 @@ static void e2fsck_pass1(e2fsck_t ctx)
continue;
}
if ((inode->i_links_count || inode->i_blocks ||
- inode->i_blocks || inode->i_block[0]) &&
+ inode->i_block[0]) &&
fix_problem(ctx, PR_1_JOURNAL_INODE_NOT_CLEAR,
&pctx)) {
memset(inode, 0, inode_size);
@@ -12195,11 +12195,7 @@ static void swap_filesys(e2fsck_t ctx)
void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned int size,
const char *description)
{
- void *ret;
- char buf[256];
-
- ret = xzalloc(size);
- return ret;
+ return xzalloc(size);
}
static char *string_copy(const char *str, int len)
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/initialize.c b/e2fsprogs/old_e2fsprogs/ext2fs/initialize.c
index da2d151..240335b 100644
--- a/e2fsprogs/old_e2fsprogs/ext2fs/initialize.c
+++ b/e2fsprogs/old_e2fsprogs/ext2fs/initialize.c
@@ -83,7 +83,7 @@ static int calc_reserved_gdt_blocks(ext2_filsys fs)
if (rsv_gdb > EXT2_ADDR_PER_BLOCK(sb))
rsv_gdb = EXT2_ADDR_PER_BLOCK(sb);
#ifdef RES_GDT_DEBUG
- printf("max_blocks %lu, rsv_groups = %lu, rsv_gdb = %lu\n",
+ printf("max_blocks %lu, rsv_groups = %lu, rsv_gdb = %u\n",
max_blocks, rsv_groups, rsv_gdb);
#endif
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/unix_io.c b/e2fsprogs/old_e2fsprogs/ext2fs/unix_io.c
index 474f073..3c95829 100644
--- a/e2fsprogs/old_e2fsprogs/ext2fs/unix_io.c
+++ b/e2fsprogs/old_e2fsprogs/ext2fs/unix_io.c
@@ -544,7 +544,7 @@ static errcode_t unix_read_blk(io_channel channel, unsigned long block,
/* If it's in the cache, use it! */
if ((cache = find_cached_block(data, block, &reuse[0]))) {
#ifdef DEBUG
- printf("Using cached block %d\n", block);
+ printf("Using cached block %lu\n", block);
#endif
memcpy(cp, cache->buf, channel->block_size);
count--;
@@ -560,7 +560,7 @@ static errcode_t unix_read_blk(io_channel channel, unsigned long block,
if (find_cached_block(data, block+i, &reuse[i]))
break;
#ifdef DEBUG
- printf("Reading %d blocks starting at %d\n", i, block);
+ printf("Reading %d blocks starting at %lu\n", i, block);
#endif
if ((retval = raw_read_blk(channel, data, block, i, cp)))
return retval;
diff --git a/e2fsprogs/old_e2fsprogs/fsck.c b/e2fsprogs/old_e2fsprogs/fsck.c
index 3a0743b..91cce97 100644
--- a/e2fsprogs/old_e2fsprogs/fsck.c
+++ b/e2fsprogs/old_e2fsprogs/fsck.c
@@ -1239,7 +1239,6 @@ static void PRS(int argc, char **argv)
progress_fd = 0;
else {
goto next_arg;
- i++;
}
}
break;
diff --git a/e2fsprogs/old_e2fsprogs/mke2fs.c b/e2fsprogs/old_e2fsprogs/mke2fs.c
index 35d717a..e44d986 100644
--- a/e2fsprogs/old_e2fsprogs/mke2fs.c
+++ b/e2fsprogs/old_e2fsprogs/mke2fs.c
@@ -385,7 +385,7 @@ static errcode_t zero_blocks(ext2_filsys fs, blk_t blk, int num,
struct progress_struct *progress,
blk_t *ret_blk, int *ret_count)
{
- int j, count, next_update, next_update_incr;
+ int j, count, next_update;
static char *buf;
errcode_t retval;
@@ -403,9 +403,7 @@ static errcode_t zero_blocks(ext2_filsys fs, blk_t blk, int num,
}
/* OK, do the write loop */
next_update = 0;
- next_update_incr = num / 100;
- if (next_update_incr < 1)
- next_update_incr = 1;
+
for (j=0; j < num; j += STRIDE_LENGTH, blk += STRIDE_LENGTH) {
count = num - j;
if (count > STRIDE_LENGTH)
diff --git a/e2fsprogs/old_e2fsprogs/util.c b/e2fsprogs/old_e2fsprogs/util.c
index a61abc2..e6758e0 100644
--- a/e2fsprogs/old_e2fsprogs/util.c
+++ b/e2fsprogs/old_e2fsprogs/util.c
@@ -117,7 +117,7 @@ void parse_journal_opts(char **journal_device, int *journal_flags,
}
if (strcmp(token, "device") == 0) {
*journal_device = blkid_get_devname(NULL, arg, NULL);
- if (!journal_device) {
+ if (!*journal_device) {
journal_usage++;
continue;
}
diff --git a/libbb/pw_encrypt_md5.c b/libbb/pw_encrypt_md5.c
index 889e09c..1e52eca 100644
--- a/libbb/pw_encrypt_md5.c
+++ b/libbb/pw_encrypt_md5.c
@@ -86,7 +86,7 @@ md5_crypt(char result[MD5_OUT_BUFSIZE], const unsigned char *pw, const unsigned
/* Get the length of the salt including "$1$" */
sl = 3;
- while (salt[sl] && salt[sl] != '$' && sl < (3 + 8))
+ while (sl < (3 + 8) && salt[sl] && salt[sl] != '$')
sl++;
/* Hash. the password first, since that is what is most unknown */
diff --git a/miscutils/chat.c b/miscutils/chat.c
index ce994f8..bd2abc2 100644
--- a/miscutils/chat.c
+++ b/miscutils/chat.c
@@ -296,7 +296,7 @@ int chat_main(int argc UNUSED_PARAM, char **argv)
full_write(record_fd, buf+buf_len, 1);
}
// dump device input if ECHO ON
- if (echo > 0) {
+ if (echo) {
// if (buf[buf_len] < ' ') {
// full_write(STDERR_FILENO, "^", 1);
// buf[buf_len] += '@';
diff --git a/networking/tc.c b/networking/tc.c
index b9a4d16..533f7c0 100644
--- a/networking/tc.c
+++ b/networking/tc.c
@@ -418,9 +418,6 @@ static int print_class(const struct sockaddr_nl *who UNUSED_PARAM,
static int print_filter(const struct sockaddr_nl *who UNUSED_PARAM,
struct nlmsghdr *hdr, void *arg UNUSED_PARAM)
{
- struct tcmsg *msg = NLMSG_DATA(hdr);
- int len = hdr->nlmsg_len;
- struct rtattr * tb[TCA_MAX+1];
return 0;
}
diff --git a/networking/traceroute.c b/networking/traceroute.c
index 0c18d6c..97a7a19 100644
--- a/networking/traceroute.c
+++ b/networking/traceroute.c
@@ -791,7 +791,9 @@ static int
common_traceroute_main(int op, char **argv)
{
int minpacket;
+#ifdef IP_TOS
int tos = 0;
+#endif
int max_ttl = 30;
int nprobes = 3;
int first_ttl = 1;
@@ -838,8 +840,10 @@ common_traceroute_main(int op, char **argv)
if (op & OPT_IP_CHKSUM)
bb_error_msg("warning: ip checksums disabled");
#endif
+#ifdef IP_TOS
if (op & OPT_TOS)
tos = xatou_range(tos_str, 0, 255);
+#endif
if (op & OPT_MAX_TTL)
max_ttl = xatou_range(max_ttl_str, 1, 255);
if (op & OPT_PORT)
diff --git a/util-linux/volume_id/unused_msdos.c b/util-linux/volume_id/unused_msdos.c
index d2fc66c..5ebaa3e 100644
--- a/util-linux/volume_id/unused_msdos.c
+++ b/util-linux/volume_id/unused_msdos.c
@@ -176,7 +176,7 @@ int FAST_FUNC volume_id_probe_msdos_part_table(struct volume_id *id, uint64_t of
if (id->partition_count < 4)
id->partition_count = 4;
- p = &id->partitions[id->partition_count];
+// p = &id->partitions[id->partition_count];
// if (is_raid(part[i].sys_ind))
// volume_id_set_usage_part(p, VOLUME_ID_RAID);